ER ModelsERM ReferencesERM Anthologies
Model No.8
Short Citation (De et al. 1983)
Year 1981
Special Name CR: ConCept Relationship Model
Descendant of (Chen 1976)
ConstructsInherent Entity Type r: concept
Relationship Type r: modeling functions, sg/l: horizontal (logical, causal), vertical (logical, mathematical, part-whole, classificatory)
Value Sets / Attributes X
NewInventedAdapted
Included
BorrowedIncluded
Added
Syntactic Rules X
Semanticsformal
Focus g
Data Definition
Data Manipulation
Remarks
CauseCitation... capture information requirements for various levels of the organizational hierarchy (p. 455).
ContentExpressivenessstructure, integrity
Applicability
Correction
Integration
Implementation
Other
Alternative Publications
Binary Vector Structure/General [E1]
[E2] m
[E3] i
[E4]
[E5]
[E6]
Structure/Integrity [E7] 1
[E8]
[E9]
[E10] m
[E11] i
[E12]
[E13]
[E14] 1
[E15]
[E16]
Behavior [E17]
[E18]
Application [E19]
[E20]
[E21]
[E22]
[E23]
[E24] 1
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.21
Data Model 0.33
Application 0.11
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts
Linked Concepts H
Copyright(a) Susanne Patig, 2005